XWD encoder and decoder
Signed-off-by: Kostya Shishkov <kostya.shishkov@gmail.com>
This commit is contained in:
Paul B Mahol
Kostya Shishkov
parent
7662a532fb
commit
27ed027bcd
@ -6,6 +6,7 @@ version 0.8:
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- GSM audio parser
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- SMJPEG muxer
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- XWD encoder and decoder
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version 0.8_beta2:
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@ -379,6 +379,8 @@ following image formats are supported:
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@tab YUV, JPEG and some extension is not supported yet.
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@item Truevision Targa @tab X @tab X
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@tab Targa (.TGA) image format
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@item XWD @tab X @tab X
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@tab X Window Dump image format
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@end multitable
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@code{X} means that encoding (resp. decoding) is supported.
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@ -435,6 +435,8 @@ OBJS-$(CONFIG_XAN_WC4_DECODER) += xxan.o
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OBJS-$(CONFIG_XL_DECODER) += xl.o
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OBJS-$(CONFIG_XSUB_DECODER) += xsubdec.o
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OBJS-$(CONFIG_XSUB_ENCODER) += xsubenc.o
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OBJS-$(CONFIG_XWD_DECODER) += xwddec.o
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OBJS-$(CONFIG_XWD_ENCODER) += xwdenc.o
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OBJS-$(CONFIG_YOP_DECODER) += yop.o
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OBJS-$(CONFIG_ZLIB_DECODER) += lcldec.o
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OBJS-$(CONFIG_ZLIB_ENCODER) += lclenc.o
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@ -230,6 +230,7 @@ void avcodec_register_all(void)
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REGISTER_DECODER (XAN_WC3, xan_wc3);
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REGISTER_DECODER (XAN_WC4, xan_wc4);
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REGISTER_DECODER (XL, xl);
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REGISTER_ENCDEC (XWD, xwd);
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REGISTER_DECODER (YOP, yop);
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REGISTER_ENCDEC (ZLIB, zlib);
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REGISTER_ENCDEC (ZMBV, zmbv);
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@ -254,6 +254,7 @@ enum CodecID {
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CODEC_ID_VBLE,
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CODEC_ID_DXTORY,
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CODEC_ID_V410,
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CODEC_ID_XWD,
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/* various PCM "codecs" */
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CODEC_ID_FIRST_AUDIO = 0x10000, ///< A dummy id pointing at the start of audio codecs
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@ -21,7 +21,7 @@
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#define AVCODEC_VERSION_H
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#define LIBAVCODEC_VERSION_MAJOR 53
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#define LIBAVCODEC_VERSION_MINOR 34
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#define LIBAVCODEC_VERSION_MINOR 35
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#define LIBAVCODEC_VERSION_MICRO 0
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#define LIBAVCODEC_VERSION_INT AV_VERSION_INT(LIBAVCODEC_VERSION_MAJOR, \
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41
libavcodec/xwd.h
Normal file
41
libavcodec/xwd.h
Normal file
@ -0,0 +1,41 @@
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/*
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* XWD image format
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*
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* Copyright (c) 2012 Paul B Mahol
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef AVCODEC_XWD_H
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#define AVCODEC_XWD_H
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#define XWD_VERSION 7
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#define XWD_HEADER_SIZE 100
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#define XWD_CMAP_SIZE 12
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#define XWD_XY_BITMAP 0
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#define XWD_XY_PIXMAP 1
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#define XWD_Z_PIXMAP 2
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#define XWD_STATIC_GRAY 0
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#define XWD_GRAY_SCALE 1
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#define XWD_STATIC_COLOR 2
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#define XWD_PSEUDO_COLOR 3
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#define XWD_TRUE_COLOR 4
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#define XWD_DIRECT_COLOR 5
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#endif /* AVCODEC_XWD_H */
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267
libavcodec/xwddec.c
Normal file
267
libavcodec/xwddec.c
Normal file
@ -0,0 +1,267 @@
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/*
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* XWD image format
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*
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* Copyright (c) 2012 Paul B Mahol
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*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "libavutil/imgutils.h"
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#include "avcodec.h"
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#include "bytestream.h"
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#include "xwd.h"
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static av_cold int xwd_decode_init(AVCodecContext *avctx)
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{
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avctx->coded_frame = avcodec_alloc_frame();
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if (!avctx->coded_frame)
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return AVERROR(ENOMEM);
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return 0;
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}
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static int xwd_decode_frame(AVCodecContext *avctx, void *data,
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int *data_size, AVPacket *avpkt)
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{
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AVFrame *p = avctx->coded_frame;
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const uint8_t *buf = avpkt->data;
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int i, ret, buf_size = avpkt->size;
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uint32_t version, header_size, vclass, ncolors;
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uint32_t xoffset, be, bpp, lsize, rsize;
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uint32_t pixformat, pixdepth, bunit, bitorder, bpad;
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uint32_t rgb[3];
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uint8_t *ptr;
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if (buf_size < XWD_HEADER_SIZE)
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return AVERROR_INVALIDDATA;
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header_size = bytestream_get_be32(&buf);
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if (buf_size < header_size)
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return AVERROR_INVALIDDATA;
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version = bytestream_get_be32(&buf);
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if (version != XWD_VERSION) {
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av_log(avctx, AV_LOG_ERROR, "unsupported version\n");
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return AVERROR_INVALIDDATA;
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}
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if (header_size < XWD_HEADER_SIZE) {
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av_log(avctx, AV_LOG_ERROR, "invalid header size\n");
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return AVERROR_INVALIDDATA;
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}
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pixformat = bytestream_get_be32(&buf);
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pixdepth = bytestream_get_be32(&buf);
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avctx->width = bytestream_get_be32(&buf);
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avctx->height = bytestream_get_be32(&buf);
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xoffset = bytestream_get_be32(&buf);
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be = bytestream_get_be32(&buf);
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bunit = bytestream_get_be32(&buf);
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bitorder = bytestream_get_be32(&buf);
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bpad = bytestream_get_be32(&buf);
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bpp = bytestream_get_be32(&buf);
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lsize = bytestream_get_be32(&buf);
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vclass = bytestream_get_be32(&buf);
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rgb[0] = bytestream_get_be32(&buf);
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rgb[1] = bytestream_get_be32(&buf);
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rgb[2] = bytestream_get_be32(&buf);
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buf += 8;
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ncolors = bytestream_get_be32(&buf);
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buf += header_size - (XWD_HEADER_SIZE - 20);
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av_log(avctx, AV_LOG_DEBUG, "pixformat %d, pixdepth %d, bunit %d, bitorder %d, bpad %d\n",
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pixformat, pixdepth, bunit, bitorder, bpad);
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av_log(avctx, AV_LOG_DEBUG, "vclass %d, ncolors %d, bpp %d, be %d, lsize %d, xoffset %d\n",
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vclass, ncolors, bpp, be, lsize, xoffset);
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av_log(avctx, AV_LOG_DEBUG, "red %0x, green %0x, blue %0x\n", rgb[0], rgb[1], rgb[2]);
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if (pixformat > XWD_Z_PIXMAP) {
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av_log(avctx, AV_LOG_ERROR, "invalid pixmap format\n");
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return AVERROR_INVALIDDATA;
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}
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if (pixdepth == 0 || pixdepth > 32) {
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av_log(avctx, AV_LOG_ERROR, "invalid pixmap depth\n");
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return AVERROR_INVALIDDATA;
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}
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if (xoffset) {
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av_log_ask_for_sample(avctx, "unsupported xoffset %d\n", xoffset);
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return AVERROR_PATCHWELCOME;
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}
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if (be > 1) {
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av_log(avctx, AV_LOG_ERROR, "invalid byte order\n");
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return AVERROR_INVALIDDATA;
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}
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if (bitorder > 1) {
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av_log(avctx, AV_LOG_ERROR, "invalid bitmap bit order\n");
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return AVERROR_INVALIDDATA;
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}
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if (bunit != 8 && bunit != 16 && bunit != 32) {
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av_log(avctx, AV_LOG_ERROR, "invalid bitmap unit\n");
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return AVERROR_INVALIDDATA;
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}
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if (bpad != 8 && bpad != 16 && bpad != 32) {
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av_log(avctx, AV_LOG_ERROR, "invalid bitmap scan-line pad\n");
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return AVERROR_INVALIDDATA;
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}
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if (bpp == 0 || bpp > 32) {
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av_log(avctx, AV_LOG_ERROR, "invalid bits per pixel\n");
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return AVERROR_INVALIDDATA;
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}
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if (ncolors > 256) {
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av_log(avctx, AV_LOG_ERROR, "invalid number of entries in colormap\n");
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return AVERROR_INVALIDDATA;
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}
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if ((ret = av_image_check_size(avctx->width, avctx->height, 0, NULL)) < 0)
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return ret;
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rsize = FFALIGN(avctx->width * bpp, bpad) / 8;
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if (lsize < rsize) {
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av_log(avctx, AV_LOG_ERROR, "invalid bytes per scan-line\n");
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return AVERROR_INVALIDDATA;
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}
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if (buf_size < header_size + ncolors * XWD_CMAP_SIZE + avctx->height * lsize) {
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av_log(avctx, AV_LOG_ERROR, "input buffer too small\n");
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return AVERROR_INVALIDDATA;
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}
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if (pixformat != XWD_Z_PIXMAP) {
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av_log(avctx, AV_LOG_ERROR, "pixmap format %d unsupported\n", pixformat);
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return AVERROR_PATCHWELCOME;
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}
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avctx->pix_fmt = PIX_FMT_NONE;
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switch (vclass) {
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case XWD_STATIC_GRAY:
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case XWD_GRAY_SCALE:
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if (bpp != 1)
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return AVERROR_INVALIDDATA;
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if (pixdepth == 1)
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avctx->pix_fmt = PIX_FMT_MONOWHITE;
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break;
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case XWD_STATIC_COLOR:
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case XWD_PSEUDO_COLOR:
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if (bpp == 8)
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avctx->pix_fmt = PIX_FMT_PAL8;
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break;
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case XWD_TRUE_COLOR:
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case XWD_DIRECT_COLOR:
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if (bpp != 16 && bpp != 24 && bpp != 32)
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return AVERROR_INVALIDDATA;
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if (bpp == 16 && pixdepth == 15) {
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if (rgb[0] == 0x7C00 && rgb[1] == 0x3E0 && rgb[2] == 0x1F)
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avctx->pix_fmt = be ? PIX_FMT_RGB555BE : PIX_FMT_RGB555LE;
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else if (rgb[0] == 0x1F && rgb[1] == 0x3E0 && rgb[2] == 0x7C00)
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avctx->pix_fmt = be ? PIX_FMT_BGR555BE : PIX_FMT_BGR555LE;
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} else if (bpp == 16 && pixdepth == 16) {
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if (rgb[0] == 0xF800 && rgb[1] == 0x7E0 && rgb[2] == 0x1F)
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avctx->pix_fmt = be ? PIX_FMT_RGB565BE : PIX_FMT_RGB565LE;
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else if (rgb[0] == 0x1F && rgb[1] == 0x7E0 && rgb[2] == 0xF800)
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avctx->pix_fmt = be ? PIX_FMT_BGR565BE : PIX_FMT_BGR565LE;
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} else if (bpp == 24) {
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if (rgb[0] == 0xFF0000 && rgb[1] == 0xFF00 && rgb[2] == 0xFF)
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avctx->pix_fmt = be ? PIX_FMT_RGB24 : PIX_FMT_BGR24;
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else if (rgb[0] == 0xFF && rgb[1] == 0xFF00 && rgb[2] == 0xFF0000)
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avctx->pix_fmt = be ? PIX_FMT_BGR24 : PIX_FMT_RGB24;
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} else if (bpp == 32) {
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if (rgb[0] == 0xFF0000 && rgb[1] == 0xFF00 && rgb[2] == 0xFF)
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avctx->pix_fmt = be ? PIX_FMT_ARGB : PIX_FMT_BGRA;
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else if (rgb[0] == 0xFF && rgb[1] == 0xFF00 && rgb[2] == 0xFF0000)
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avctx->pix_fmt = be ? PIX_FMT_ABGR : PIX_FMT_RGBA;
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}
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buf += ncolors * XWD_CMAP_SIZE;
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break;
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default:
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av_log(avctx, AV_LOG_ERROR, "invalid visual class\n");
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return AVERROR_INVALIDDATA;
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}
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if (avctx->pix_fmt == PIX_FMT_NONE) {
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av_log_ask_for_sample(avctx, "unknown file: bpp %d, pixdepth %d, vclass %d\n", bpp, pixdepth, vclass);
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return AVERROR_PATCHWELCOME;
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}
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if (p->data[0])
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avctx->release_buffer(avctx, p);
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p->reference = 0;
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if ((ret = avctx->get_buffer(avctx, p)) < 0) {
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av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
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return ret;
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}
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p->key_frame = 1;
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p->pict_type = AV_PICTURE_TYPE_I;
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if (avctx->pix_fmt == PIX_FMT_PAL8) {
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uint32_t *dst = (uint32_t *)p->data[1];
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uint8_t red, green, blue;
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for (i = 0; i < ncolors; i++) {
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buf += 4; // skip colormap entry number
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red = *buf; buf += 2;
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green = *buf; buf += 2;
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blue = *buf; buf += 2;
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buf += 2; // skip bitmask flag and padding
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dst[i] = red << 16 | green << 8 | blue;
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}
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}
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ptr = p->data[0];
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for (i = 0; i < avctx->height; i++) {
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bytestream_get_buffer(&buf, ptr, rsize);
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buf += lsize - rsize;
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ptr += p->linesize[0];
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}
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*data_size = sizeof(AVFrame);
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*(AVFrame *)data = *p;
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return buf_size;
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}
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static av_cold int xwd_decode_close(AVCodecContext *avctx)
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{
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if (avctx->coded_frame->data[0])
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avctx->release_buffer(avctx, avctx->coded_frame);
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av_freep(&avctx->coded_frame);
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return 0;
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}
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AVCodec ff_xwd_decoder = {
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.name = "xwd",
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.type = AVMEDIA_TYPE_VIDEO,
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.id = CODEC_ID_XWD,
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.init = xwd_decode_init,
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.close = xwd_decode_close,
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.decode = xwd_decode_frame,
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.capabilities = CODEC_CAP_DR1,
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.long_name = NULL_IF_CONFIG_SMALL("XWD (X Window Dump) image"),
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};
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246
libavcodec/xwdenc.c
Normal file
246
libavcodec/xwdenc.c
Normal file
@ -0,0 +1,246 @@
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/*
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* XWD image format
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*
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* Copyright (c) 2012 Paul B Mahol
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*
|
||||
* This file is part of Libav.
|
||||
*
|
||||
* Libav is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU Lesser General Public
|
||||
* License as published by the Free Software Foundation; either
|
||||
* version 2.1 of the License, or (at your option) any later version.
|
||||
*
|
||||
* Libav is distributed in the hope that it will be useful,
|
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
* Lesser General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public
|
||||
* License along with Libav; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||||
*/
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#include "libavutil/intreadwrite.h"
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#include "libavutil/pixdesc.h"
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#include "avcodec.h"
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#include "bytestream.h"
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#include "xwd.h"
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#define WINDOW_NAME "lavcxwdenc"
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#define WINDOW_NAME_SIZE 11
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static av_cold int xwd_encode_init(AVCodecContext *avctx)
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{
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avctx->coded_frame = avcodec_alloc_frame();
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if (!avctx->coded_frame)
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return AVERROR(ENOMEM);
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return 0;
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}
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static int xwd_encode_frame(AVCodecContext *avctx, uint8_t *buf,
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int buf_size, void *data)
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{
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AVFrame *p = data;
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enum PixelFormat pix_fmt = avctx->pix_fmt;
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uint32_t pixdepth, bpp, bpad, ncolors = 0, lsize, vclass, be = 0;
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uint32_t rgb[3] = { 0 };
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uint32_t header_size;
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int i, out_size;
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uint8_t *ptr;
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pixdepth = av_get_bits_per_pixel(&av_pix_fmt_descriptors[pix_fmt]);
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if (av_pix_fmt_descriptors[pix_fmt].flags & PIX_FMT_BE)
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be = 1;
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switch (pix_fmt) {
|
||||
case PIX_FMT_ARGB:
|
||||
case PIX_FMT_BGRA:
|
||||
case PIX_FMT_RGBA:
|
||||
case PIX_FMT_ABGR:
|
||||
if (pix_fmt == PIX_FMT_ARGB ||
|
||||
pix_fmt == PIX_FMT_ABGR)
|
||||
be = 1;
|
||||
if (pix_fmt == PIX_FMT_ABGR ||
|
||||
pix_fmt == PIX_FMT_RGBA) {
|
||||
rgb[0] = 0xFF;
|
||||
rgb[1] = 0xFF00;
|
||||
rgb[2] = 0xFF0000;
|
||||
} else {
|
||||
rgb[0] = 0xFF0000;
|
||||
rgb[1] = 0xFF00;
|
||||
rgb[2] = 0xFF;
|
||||
}
|
||||
bpp = 32;
|
||||
pixdepth = 24;
|
||||
vclass = XWD_TRUE_COLOR;
|
||||
bpad = 32;
|
||||
break;
|
||||
case PIX_FMT_BGR24:
|
||||
case PIX_FMT_RGB24:
|
||||
if (pix_fmt == PIX_FMT_RGB24)
|
||||
be = 1;
|
||||
bpp = 24;
|
||||
vclass = XWD_TRUE_COLOR;
|
||||
bpad = 32;
|
||||
rgb[0] = 0xFF0000;
|
||||
rgb[1] = 0xFF00;
|
||||
rgb[2] = 0xFF;
|
||||
break;
|
||||
case PIX_FMT_RGB565LE:
|
||||
case PIX_FMT_RGB565BE:
|
||||
case PIX_FMT_BGR565LE:
|
||||
case PIX_FMT_BGR565BE:
|
||||
if (pix_fmt == PIX_FMT_BGR565LE ||
|
||||
pix_fmt == PIX_FMT_BGR565BE) {
|
||||
rgb[0] = 0x1F;
|
||||
rgb[1] = 0x7E0;
|
||||
rgb[2] = 0xF800;
|
||||
} else {
|
||||
rgb[0] = 0xF800;
|
||||
rgb[1] = 0x7E0;
|
||||
rgb[2] = 0x1F;
|
||||
}
|
||||
bpp = 16;
|
||||
vclass = XWD_TRUE_COLOR;
|
||||
bpad = 16;
|
||||
break;
|
||||
case PIX_FMT_RGB555LE:
|
||||
case PIX_FMT_RGB555BE:
|
||||
case PIX_FMT_BGR555LE:
|
||||
case PIX_FMT_BGR555BE:
|
||||
if (pix_fmt == PIX_FMT_BGR555LE ||
|
||||
pix_fmt == PIX_FMT_BGR555BE) {
|
||||
rgb[0] = 0x1F;
|
||||
rgb[1] = 0x3E0;
|
||||
rgb[2] = 0x7C00;
|
||||
} else {
|
||||
rgb[0] = 0x7C00;
|
||||
rgb[1] = 0x3E0;
|
||||
rgb[2] = 0x1F;
|
||||
}
|
||||
bpp = 16;
|
||||
vclass = XWD_TRUE_COLOR;
|
||||
bpad = 16;
|
||||
break;
|
||||
case PIX_FMT_RGB8:
|
||||
case PIX_FMT_BGR8:
|
||||
case PIX_FMT_RGB4_BYTE:
|
||||
case PIX_FMT_BGR4_BYTE:
|
||||
case PIX_FMT_PAL8:
|
||||
bpp = 8;
|
||||
vclass = XWD_PSEUDO_COLOR;
|
||||
bpad = 8;
|
||||
ncolors = 256;
|
||||
break;
|
||||
case PIX_FMT_MONOWHITE:
|
||||
bpp = 1;
|
||||
bpad = 8;
|
||||
vclass = XWD_STATIC_GRAY;
|
||||
break;
|
||||
default:
|
||||
av_log(avctx, AV_LOG_INFO, "unsupported pixel format\n");
|
||||
return AVERROR(EINVAL);
|
||||
}
|
||||
|
||||
lsize = FFALIGN(bpp * avctx->width, bpad) / 8;
|
||||
header_size = XWD_HEADER_SIZE + WINDOW_NAME_SIZE;
|
||||
out_size = header_size + ncolors * XWD_CMAP_SIZE + avctx->height * lsize;
|
||||
|
||||
if (buf_size < out_size) {
|
||||
av_log(avctx, AV_LOG_ERROR, "output buffer too small\n");
|
||||
return AVERROR(ENOMEM);
|
||||
}
|
||||
|
||||
avctx->coded_frame->key_frame = 1;
|
||||
avctx->coded_frame->pict_type = AV_PICTURE_TYPE_I;
|
||||
|
||||
bytestream_put_be32(&buf, header_size);
|
||||
bytestream_put_be32(&buf, XWD_VERSION); // file version
|
||||
bytestream_put_be32(&buf, XWD_Z_PIXMAP); // pixmap format
|
||||
bytestream_put_be32(&buf, pixdepth); // pixmap depth in pixels
|
||||
bytestream_put_be32(&buf, avctx->width); // pixmap width in pixels
|
||||
bytestream_put_be32(&buf, avctx->height); // pixmap height in pixels
|
||||
bytestream_put_be32(&buf, 0); // bitmap x offset
|
||||
bytestream_put_be32(&buf, be); // byte order
|
||||
bytestream_put_be32(&buf, 32); // bitmap unit
|
||||
bytestream_put_be32(&buf, be); // bit-order of image data
|
||||
bytestream_put_be32(&buf, bpad); // bitmap scan-line pad in bits
|
||||
bytestream_put_be32(&buf, bpp); // bits per pixel
|
||||
bytestream_put_be32(&buf, lsize); // bytes per scan-line
|
||||
bytestream_put_be32(&buf, vclass); // visual class
|
||||
bytestream_put_be32(&buf, rgb[0]); // red mask
|
||||
bytestream_put_be32(&buf, rgb[1]); // green mask
|
||||
bytestream_put_be32(&buf, rgb[2]); // blue mask
|
||||
bytestream_put_be32(&buf, 8); // size of each bitmask in bits
|
||||
bytestream_put_be32(&buf, ncolors); // number of colors
|
||||
bytestream_put_be32(&buf, ncolors); // number of entries in color map
|
||||
bytestream_put_be32(&buf, avctx->width); // window width
|
||||
bytestream_put_be32(&buf, avctx->height); // window height
|
||||
bytestream_put_be32(&buf, 0); // window upper left X coordinate
|
||||
bytestream_put_be32(&buf, 0); // window upper left Y coordinate
|
||||
bytestream_put_be32(&buf, 0); // window border width
|
||||
bytestream_put_buffer(&buf, WINDOW_NAME, WINDOW_NAME_SIZE);
|
||||
|
||||
for (i = 0; i < ncolors; i++) {
|
||||
uint32_t val;
|
||||
uint8_t red, green, blue;
|
||||
|
||||
val = AV_RN32A(p->data[1] + i * 4);
|
||||
red = (val >> 16) & 0xFF;
|
||||
green = (val >> 8) & 0xFF;
|
||||
blue = val & 0xFF;
|
||||
|
||||
bytestream_put_be32(&buf, i); // colormap entry number
|
||||
bytestream_put_be16(&buf, red << 8);
|
||||
bytestream_put_be16(&buf, green << 8);
|
||||
bytestream_put_be16(&buf, blue << 8);
|
||||
bytestream_put_byte(&buf, 0x7); // bitmask flag
|
||||
bytestream_put_byte(&buf, 0); // padding
|
||||
}
|
||||
|
||||
ptr = p->data[0];
|
||||
for (i = 0; i < avctx->height; i++) {
|
||||
bytestream_put_buffer(&buf, ptr, lsize);
|
||||
ptr += p->linesize[0];
|
||||
}
|
||||
|
||||
return out_size;
|
||||
}
|
||||
|
||||
static av_cold int xwd_encode_close(AVCodecContext *avctx)
|
||||
{
|
||||
av_freep(&avctx->coded_frame);
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
AVCodec ff_xwd_encoder = {
|
||||
.name = "xwd",
|
||||
.type = AVMEDIA_TYPE_VIDEO,
|
||||
.id = CODEC_ID_XWD,
|
||||
.init = xwd_encode_init,
|
||||
.encode = xwd_encode_frame,
|
||||
.close = xwd_encode_close,
|
||||
.pix_fmts = (const enum PixelFormat[]) { PIX_FMT_BGRA,
|
||||
PIX_FMT_RGBA,
|
||||
PIX_FMT_ARGB,
|
||||
PIX_FMT_ABGR,
|
||||
PIX_FMT_RGB24,
|
||||
PIX_FMT_BGR24,
|
||||
PIX_FMT_RGB565BE,
|
||||
PIX_FMT_RGB565LE,
|
||||
PIX_FMT_BGR565BE,
|
||||
PIX_FMT_BGR565LE,
|
||||
PIX_FMT_RGB555BE,
|
||||
PIX_FMT_RGB555LE,
|
||||
PIX_FMT_BGR555BE,
|
||||
PIX_FMT_BGR555LE,
|
||||
PIX_FMT_RGB8,
|
||||
PIX_FMT_BGR8,
|
||||
PIX_FMT_RGB4_BYTE,
|
||||
PIX_FMT_BGR4_BYTE,
|
||||
PIX_FMT_PAL8,
|
||||
PIX_FMT_MONOWHITE,
|
||||
PIX_FMT_NONE },
|
||||
.long_name = NULL_IF_CONFIG_SMALL("XWD (X Window Dump) image"),
|
||||
};
|
||||
@ -85,6 +85,7 @@ static const IdStrMap img_tags[] = {
|
||||
{ CODEC_ID_JPEG2000 , "jpc"},
|
||||
{ CODEC_ID_DPX , "dpx"},
|
||||
{ CODEC_ID_PICTOR , "pic"},
|
||||
{ CODEC_ID_XWD , "xwd"},
|
||||
{ CODEC_ID_NONE , NULL}
|
||||
};
|
||||
|
||||
@ -501,7 +502,7 @@ AVOutputFormat ff_image2_muxer = {
|
||||
.name = "image2",
|
||||
.long_name = NULL_IF_CONFIG_SMALL("image2 sequence"),
|
||||
.extensions = "bmp,dpx,jpeg,jpg,ljpg,pam,pbm,pcx,pgm,pgmyuv,png,"
|
||||
"ppm,sgi,tga,tif,tiff,jp2",
|
||||
"ppm,sgi,tga,tif,tiff,jp2,xwd",
|
||||
.priv_data_size = sizeof(VideoData),
|
||||
.video_codec = CODEC_ID_MJPEG,
|
||||
.write_header = write_header,
|
||||
|
||||
Loading…
Reference in New Issue
Block a user